..and I will be able to have positional audio, (for more than just left/right) as well as enhanced sound quality for music and gaming on my PC? Does anyone know whether it is simple to toggle the Razer Surround on and off, or if music will sound even better with it enabled?

Not sure. Never used the Razer thing for gaming or music. Though I doubt you will like it for music most of your music most likely 2 channeled so listening to it in fake 7.1 isn't going to do much for you.